Out of memory Error in ADF appication

Hi All,
I am using JDev 11.1.2.1.0.
In my application we are performing the following activities.
     1. File Upload
     2. File download
     3. inputListOfValues(Magnifier LOV where we will be loading thousand of row in search results table).
And our application should support 50 concurrent sessions at any point of time.
Right now Our JDev is configured with a Heap Space of 512MB.
We are getting out of memory error in the Jdeveloper console if we test the application with <20 concurrent sessions and it is not if test with less concurrent sessions(Note our Application Module settings configured to support 50 Concurrent sessions).
Is there any way that we can avoid Out of memory error. Please suggest any tools through which we can track the objects causing the Memory leak.
please suggest.
thanks in Advance.
Veer

inputListOfValues(Magnifier LOV where we will be loading thousand of row in search results table).
If you load and scroll over thousands of VO rows, then the VO will load all these rows in memory if the VO has not been configured to do Range Paging, which may cause out of memory. By default, VOs are not configured to do Range Paging. Please, try with VO Range Paging in order to minimize VO's memory footprint. (When a VO is configured to do Range Paging, it will keep in memory only a couple of ranges of rows. The default range size is 25, so it will keep in memory a few tens of rows). UI does not need to be changed and the user will scroll over the rows in an <af:table> in the normal way as he/she used to.
Right now Our JDev is configured with a Heap Space of 512MB.
JDev's heap size does not matter. The heap that you should check (and maybe increase) is the Java heap of the Integrated Weblogic Server, where the application is deployed and run. The heap size of the Integrated WLS is configured in the file <JDev_Home>/jdeveloper/system.xx.xx.xx.xx/DefaultDomain/bin/setDomainEnv.cmd (or .sh).
Please suggest any tools through which we can track the objects causing the Memory leak.
You can try Java Mission Control + Flight Recorder (former Oracle JRockit Mission Control), which is an awesome tool.
Dimitar

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out.println(message);
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OK - the problem you describe is definitely what's giving you grief.
The workaround is to use a socket connection and send your own request headers, with the content length filled in. You may have to multi-part mime encode the stream on its way out as well (I'm not about that...).
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http://porsche.cis.udel.edu:8080/cis479/lectures/slides-04/slide-02.html
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I get the out of Memory Error on the client side. I
was told that this might be a bug in the URLConnection
class implementation that basically it wont know the
content length until all the data has been written to
the output stream, so it uses an in memory buffer to
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do you think there might be a workaround of any kind..
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a certain size of file has been uploaded.. ?? do you
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Hi,
I did try that initially. After executing the command I get this message.
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Usage: java [-options] class [args...]
(to execute a class)
or java -jar [-options] jarfile [args...]
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set search path for application classes and resources
-D<name>=<value>
set a system property
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enable verbose output
-version print product version and exit
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Deleted data, uninstalled more apps and still no joy!! I cannot connect to ovi/pc suite to up grade the phone or roll it back.
Symptoms the phone is sluggish it is still virtually unusable. It just barely make phones and is slow to respond to touch-screen presses and key presses.
The taskman app says the is 47 mb free on C: drive. So I cant see what the problem is!!!
I have always bought nokia for 10 years, never experience this sort of thing before. I am really disappointed with this.
Anybody else experienced this? Any ideas?
Many thanks
Gd
Solved!
Go to Solution.

Copyless thanks for the tip. Kudos added :-)
I had the same problem a friend was trying to bluetooth some videos to me and I was getting Memory problem, How embarasing after a few min of my mates being impressed with the phone, and me praising it and talking about so much space and blah blah blah.
I could not receive videos via bluetooth because they were 5MB. WHY on EARTH can they not default this to the E: drive.
Whoever made that decision in NOKIA should be fired what an idiot.
Also when I finally got to get the pictures on the phone via a computer I could not see them via the "Photos" I had to go via the File Manager and see one by one. AARRRRRRRRGHHH I am getting to the point that I am going to return this phone.
N97 Black unlocked using the 3 Network (UK). Product Code 0586308. Firmware V20.0.019. Made In Finland.Custom version V20.019.235.10.

Out of memory Error in ADF appication

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